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        <li class="chapter " data-level="0" data-path="index.html">
            
                
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                        自述
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                            <b>1.</b>
                        
                        介绍
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                            <b>1.1.</b>
                        
                        动机
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                            <b>1.2.</b>
                        
                        核心概念
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                            <b>1.3.</b>
                        
                        三大原则
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                            <b>1.4.</b>
                        
                        先前技术
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                            <b>1.5.</b>
                        
                        生态系统
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                            <b>1.6.</b>
                        
                        示例
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                            <b>2.</b>
                        
                        基础
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                            <b>2.1.</b>
                        
                        Action
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                            <b>2.2.</b>
                        
                        Reducer
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                            <b>2.3.</b>
                        
                        Store
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                            <b>2.4.</b>
                        
                        数据流
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                            <b>2.5.</b>
                        
                        搭配 React
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                            <b>2.6.</b>
                        
                        示例：Todo List
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                            <b>3.</b>
                        
                        高级
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                            <b>3.1.</b>
                        
                        异步 Action
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                            <b>3.2.</b>
                        
                        异步数据流
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                            <b>3.3.</b>
                        
                        Middleware
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        <li class="chapter " data-level="3.4" data-path="docs/advanced/UsageWithReactRouter.html">
            
                
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                            <b>3.4.</b>
                        
                        搭配 React Router
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                            <b>3.5.</b>
                        
                        示例：Reddit API
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                            <b>3.6.</b>
                        
                        下一步
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                            <b>4.</b>
                        
                        技巧
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                            <b>4.1.</b>
                        
                        迁移到 Redux
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        <li class="chapter " data-level="4.2" data-path="docs/recipes/UsingObjectSpreadOperator.html">
            
                
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                            <b>4.2.</b>
                        
                        使用对象展开运算符
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                            <b>4.3.</b>
                        
                        减少样板代码
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                            <b>4.4.</b>
                        
                        服务端渲染
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                            <b>4.5.</b>
                        
                        编写测试
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        <li class="chapter " data-level="4.6" data-path="docs/recipes/ComputingDerivedData.html">
            
                
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                            <b>4.6.</b>
                        
                        计算衍生数据
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        <li class="chapter " data-level="4.7" data-path="docs/recipes/ImplementingUndoHistory.html">
            
                
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                            <b>4.7.</b>
                        
                        实现撤销重做
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        <li class="chapter " data-level="4.8" data-path="docs/recipes/IsolatingSubapps.html">
            
                
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                            <b>4.8.</b>
                        
                        子应用隔离
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        <li class="chapter " data-level="4.9" data-path="docs/recipes/StructuringReducers.html">
            
                
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                            <b>4.9.</b>
                        
                        组织 Reducer
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        <li class="chapter " data-level="4.9.1" data-path="docs/recipes/reducers/PrerequisiteConcepts.html">
            
                
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                            <b>4.9.1.</b>
                        
                        Reducer 基础概念
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        <li class="chapter " data-level="4.9.2" data-path="docs/recipes/reducers/BasicReducerStructure.html">
            
                
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                            <b>4.9.2.</b>
                        
                        Reducer 基础结构
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        <li class="chapter " data-level="4.9.3" data-path="docs/recipes/reducers/SplittingReducerLogic.html">
            
                
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                            <b>4.9.3.</b>
                        
                        Reducer 逻辑拆分
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        </li>
    
        <li class="chapter " data-level="4.9.4" data-path="docs/recipes/reducers/RefactoringReducersExample.html">
            
                
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                            <b>4.9.4.</b>
                        
                        Reducer 重构示例
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        <li class="chapter " data-level="4.9.5" data-path="docs/recipes/reducers/UsingCombineReducers.html">
            
                
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                            <b>4.9.5.</b>
                        
                        `combineReducers` 用法
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        <li class="chapter " data-level="4.9.6" data-path="docs/recipes/reducers/BeyondCombineReducers.html">
            
                
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                            <b>4.9.6.</b>
                        
                        `combineReducers` 进阶
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        <li class="chapter " data-level="4.9.7" data-path="docs/recipes/reducers/NormalizingStateShape.html">
            
                
                    <a href="../../docs/recipes/reducers/NormalizingStateShape.html">
                
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                            <b>4.9.7.</b>
                        
                        State 范式化
                    </a>
            
            
        </li>
    
        <li class="chapter " data-level="4.9.8" data-path="docs/recipes/reducers/UpdatingNormalizedData.html">
            
                
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                            <b>4.9.8.</b>
                        
                        管理范式化数据
                    </a>
            
            
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        <li class="chapter " data-level="4.9.9" data-path="docs/recipes/reducers/ReusingReducerLogic.html">
            
                
                    <a href="../../docs/recipes/reducers/ReusingReducerLogic.html">
                
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                            <b>4.9.9.</b>
                        
                        Reducer 逻辑复用
                    </a>
            
            
        </li>
    
        <li class="chapter " data-level="4.9.10" data-path="docs/recipes/reducers/ImmutableUpdatePatterns.html">
            
                
                    <a href="../../docs/recipes/reducers/ImmutableUpdatePatterns.html">
                
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                            <b>4.9.10.</b>
                        
                        不可变更新模式
                    </a>
            
            
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        <li class="chapter " data-level="4.9.11" data-path="docs/recipes/reducers/InitializingState.html">
            
                
                    <a href="../../docs/recipes/reducers/InitializingState.html">
                
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                            <b>4.9.11.</b>
                        
                        初始化 State
                    </a>
            
            
        </li>
    

            </ul>
            
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            </ul>
            
        </li>
    
        <li class="chapter " data-level="5" data-path="docs/FAQ.html">
            
                
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                            <b>5.</b>
                        
                        常见问题
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        <li class="chapter " data-level="5.1" data-path="docs/faq/General.html">
            
                
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                            <b>5.1.</b>
                        
                        综合
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        <li class="chapter " data-level="5.2" data-path="docs/faq/Reducers.html">
            
                
                    <a href="../../docs/faq/Reducers.html">
                
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                            <b>5.2.</b>
                        
                        Reducer
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        <li class="chapter " data-level="5.3" data-path="docs/faq/OrganizingState.html">
            
                
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                            <b>5.3.</b>
                        
                        组织 State
                    </a>
            
            
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        <li class="chapter " data-level="5.4" data-path="docs/faq/StoreSetup.html">
            
                
                    <a href="../../docs/faq/StoreSetup.html">
                
                        <i class="fa fa-check"></i>
                        
                            <b>5.4.</b>
                        
                        创建 Store
                    </a>
            
            
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        <li class="chapter " data-level="5.5" data-path="docs/faq/Actions.html">
            
                
                    <a href="../../docs/faq/Actions.html">
                
                        <i class="fa fa-check"></i>
                        
                            <b>5.5.</b>
                        
                        Action
                    </a>
            
            
        </li>
    
        <li class="chapter " data-level="5.6" data-path="docs/faq/CodeStructure.html">
            
                
                    <a href="../../docs/faq/CodeStructure.html">
                
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                            <b>5.6.</b>
                        
                        代码结构
                    </a>
            
            
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        <li class="chapter " data-level="5.7" data-path="docs/faq/Performance.html">
            
                
                    <a href="../../docs/faq/Performance.html">
                
                        <i class="fa fa-check"></i>
                        
                            <b>5.7.</b>
                        
                        性能
                    </a>
            
            
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        <li class="chapter " data-level="5.8" data-path="docs/faq/ReactRedux.html">
            
                
                    <a href="../../docs/faq/ReactRedux.html">
                
                        <i class="fa fa-check"></i>
                        
                            <b>5.8.</b>
                        
                        React Redux
                    </a>
            
            
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        <li class="chapter " data-level="5.9" data-path="docs/faq/Miscellaneous.html">
            
                
                    <a href="../../docs/faq/Miscellaneous.html">
                
                        <i class="fa fa-check"></i>
                        
                            <b>5.9.</b>
                        
                        其它
                    </a>
            
            
        </li>
    

            </ul>
            
        </li>
    
        <li class="chapter " data-level="6" data-path="docs/Troubleshooting.html">
            
                
                    <a href="../../docs/Troubleshooting.html">
                
                        <i class="fa fa-check"></i>
                        
                            <b>6.</b>
                        
                        排错
                    </a>
            
            
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        <li class="chapter " data-level="7" data-path="docs/Glossary.html">
            
                
                    <a href="../../docs/Glossary.html">
                
                        <i class="fa fa-check"></i>
                        
                            <b>7.</b>
                        
                        词汇表
                    </a>
            
            
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        <li class="chapter " data-level="8" data-path="docs/api/index.html">
            
                
                    <a href="../../docs/api/index.html">
                
                        <i class="fa fa-check"></i>
                        
                            <b>8.</b>
                        
                        API 文档
                    </a>
            
            
            <ul class="articles">
                
    
        <li class="chapter " data-level="8.1" data-path="docs/api/createStore.html">
            
                
                    <a href="../../docs/api/createStore.html">
                
                        <i class="fa fa-check"></i>
                        
                            <b>8.1.</b>
                        
                        createStore
                    </a>
            
            
        </li>
    
        <li class="chapter " data-level="8.2" data-path="docs/api/Store.html">
            
                
                    <a href="../../docs/api/Store.html">
                
                        <i class="fa fa-check"></i>
                        
                            <b>8.2.</b>
                        
                        Store
                    </a>
            
            
        </li>
    
        <li class="chapter " data-level="8.3" data-path="docs/api/combineReducers.html">
            
                
                    <a href="../../docs/api/combineReducers.html">
                
                        <i class="fa fa-check"></i>
                        
                            <b>8.3.</b>
                        
                        combineReducers
                    </a>
            
            
        </li>
    
        <li class="chapter " data-level="8.4" data-path="docs/api/applyMiddleware.html">
            
                
                    <a href="../../docs/api/applyMiddleware.html">
                
                        <i class="fa fa-check"></i>
                        
                            <b>8.4.</b>
                        
                        applyMiddleware
                    </a>
            
            
        </li>
    
        <li class="chapter " data-level="8.5" data-path="docs/api/bindActionCreators.html">
            
                
                    <a href="../../docs/api/bindActionCreators.html">
                
                        <i class="fa fa-check"></i>
                        
                            <b>8.5.</b>
                        
                        bindActionCreators
                    </a>
            
            
        </li>
    
        <li class="chapter " data-level="8.6" data-path="docs/api/compose.html">
            
                
                    <a href="../../docs/api/compose.html">
                
                        <i class="fa fa-check"></i>
                        
                            <b>8.6.</b>
                        
                        compose
                    </a>
            
            
        </li>
    

            </ul>
            
        </li>
    
        <li class="chapter " data-level="9" data-path="docs/react-redux/index.html">
            
                
                    <a href="../../docs/react-redux/index.html">
                
                        <i class="fa fa-check"></i>
                        
                            <b>9.</b>
                        
                        react-redux 文档
                    </a>
            
            
            <ul class="articles">
                
    
        <li class="chapter active" data-level="9.1" data-path="docs/react-redux/api.html">
            
                
                    <a href="../../docs/react-redux/api.html">
                
                        <i class="fa fa-check"></i>
                        
                            <b>9.1.</b>
                        
                        API
                    </a>
            
            
        </li>
    
        <li class="chapter " data-level="9.2" data-path="docs/react-redux/troubleshooting.html">
            
                
                    <a href="../../docs/react-redux/troubleshooting.html">
                
                        <i class="fa fa-check"></i>
                        
                            <b>9.2.</b>
                        
                        排错
                    </a>
            
            
        </li>
    

            </ul>
            
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                        <a id="edit-link" href="https://github.com/camsong/redux-in-chinese/tree/master/docs/react-redux/api.md" class="btn fa fa-edit pull-left">&#xA0;&#xA0;&#x5F00;&#x59CB;&#x7EA0;&#x9519;</a><h2 id="api">API</h2>
<h3 id="-provider-store"><code><span class="token operator">&lt;</span>Provider store<span class="token operator">&gt;</span></code></h3>
<p><code><span class="token operator">&lt;</span>Provider store<span class="token operator">&gt;</span></code> &#x4F7F;&#x7EC4;&#x4EF6;&#x5C42;&#x7EA7;&#x4E2D;&#x7684; <code><span class="token function">connect</span><span class="token punctuation">(</span><span class="token punctuation">)</span></code> &#x65B9;&#x6CD5;&#x90FD;&#x80FD;&#x591F;&#x83B7;&#x5F97; Redux store&#x3002;&#x6B63;&#x5E38;&#x60C5;&#x51B5;&#x4E0B;&#xFF0C;&#x4F60;&#x7684;&#x6839;&#x7EC4;&#x4EF6;&#x5E94;&#x8BE5;&#x5D4C;&#x5957;&#x5728; <code><span class="token operator">&lt;</span>Provider<span class="token operator">&gt;</span></code> &#x4E2D;&#x624D;&#x80FD;&#x4F7F;&#x7528; <code><span class="token function">connect</span><span class="token punctuation">(</span><span class="token punctuation">)</span></code> &#x65B9;&#x6CD5;&#x3002;</p>
<p>&#x5982;&#x679C;&#x4F60;<strong>&#x771F;&#x7684;</strong>&#x4E0D;&#x60F3;&#x628A;&#x6839;&#x7EC4;&#x4EF6;&#x5D4C;&#x5957;&#x5728; <code><span class="token operator">&lt;</span>Provider<span class="token operator">&gt;</span></code> &#x4E2D;&#xFF0C;&#x4F60;&#x53EF;&#x4EE5;&#x628A; <code>store</code> &#x4F5C;&#x4E3A; props &#x4F20;&#x9012;&#x5230;&#x6BCF;&#x4E00;&#x4E2A;&#x88AB; <code><span class="token function">connet</span><span class="token punctuation">(</span><span class="token punctuation">)</span></code> &#x5305;&#x88C5;&#x7684;&#x7EC4;&#x4EF6;&#xFF0C;&#x4F46;&#x662F;&#x6211;&#x4EEC;&#x53EA;&#x63A8;&#x8350;&#x60A8;&#x5728;&#x5355;&#x5143;&#x6D4B;&#x8BD5;&#x4E2D;&#x5BF9; <code>store</code> &#x8FDB;&#x884C;&#x4F2A;&#x9020; (stub) &#x6216;&#x8005;&#x5728;&#x975E;&#x5B8C;&#x5168;&#x57FA;&#x4E8E; React &#x7684;&#x4EE3;&#x7801;&#x4E2D;&#x624D;&#x8FD9;&#x6837;&#x505A;&#x3002;&#x6B63;&#x5E38;&#x60C5;&#x51B5;&#x4E0B;&#xFF0C;&#x4F60;&#x5E94;&#x8BE5;&#x4F7F;&#x7528; <code><span class="token operator">&lt;</span>Provider<span class="token operator">&gt;</span></code>&#x3002;</p>
<h4 id="%E5%B1%9E%E6%80%A7">&#x5C5E;&#x6027;</h4>
<ul>
<li><code>store</code> (<em><a href="http://redux.js.org/docs/api/Store.html" target="_blank">Redux Store</a></em>): &#x5E94;&#x7528;&#x7A0B;&#x5E8F;&#x4E2D;&#x552F;&#x4E00;&#x7684; Redux store &#x5BF9;&#x8C61;</li>
<li><code>children</code> (<em>ReactElement</em>) &#x7EC4;&#x4EF6;&#x5C42;&#x7EA7;&#x7684;&#x6839;&#x7EC4;&#x4EF6;&#x3002;</li>
</ul>
<h4 id="%E4%BE%8B%E5%AD%90">&#x4F8B;&#x5B50;</h4>
<h5 id="vanilla-react">Vanilla React</h5>
<pre><code class="lang-js">ReactDOM<span class="token punctuation">.</span><span class="token function">render</span><span class="token punctuation">(</span>
  <span class="token operator">&lt;</span>Provider store<span class="token operator">=</span><span class="token punctuation">{</span>store<span class="token punctuation">}</span><span class="token operator">&gt;</span>
    <span class="token operator">&lt;</span>MyRootComponent <span class="token operator">/</span><span class="token operator">&gt;</span>
  <span class="token operator">&lt;</span><span class="token operator">/</span>Provider<span class="token operator">&gt;</span><span class="token punctuation">,</span>
  rootEl
<span class="token punctuation">)</span>
</code></pre>
<h5 id="react-router">React Router</h5>
<pre><code class="lang-js">ReactDOM<span class="token punctuation">.</span><span class="token function">render</span><span class="token punctuation">(</span>
  <span class="token operator">&lt;</span>Provider store<span class="token operator">=</span><span class="token punctuation">{</span>store<span class="token punctuation">}</span><span class="token operator">&gt;</span>
    <span class="token operator">&lt;</span>Router history<span class="token operator">=</span><span class="token punctuation">{</span>history<span class="token punctuation">}</span><span class="token operator">&gt;</span>
      <span class="token operator">&lt;</span>Route path<span class="token operator">=</span><span class="token string">&quot;/&quot;</span> component<span class="token operator">=</span><span class="token punctuation">{</span>App<span class="token punctuation">}</span><span class="token operator">&gt;</span>
        <span class="token operator">&lt;</span>Route path<span class="token operator">=</span><span class="token string">&quot;foo&quot;</span> component<span class="token operator">=</span><span class="token punctuation">{</span>Foo<span class="token punctuation">}</span><span class="token operator">/</span><span class="token operator">&gt;</span>
        <span class="token operator">&lt;</span>Route path<span class="token operator">=</span><span class="token string">&quot;bar&quot;</span> component<span class="token operator">=</span><span class="token punctuation">{</span>Bar<span class="token punctuation">}</span><span class="token operator">/</span><span class="token operator">&gt;</span>
      <span class="token operator">&lt;</span><span class="token operator">/</span>Route<span class="token operator">&gt;</span>
    <span class="token operator">&lt;</span><span class="token operator">/</span>Router<span class="token operator">&gt;</span>
  <span class="token operator">&lt;</span><span class="token operator">/</span>Provider<span class="token operator">&gt;</span><span class="token punctuation">,</span>
  document<span class="token punctuation">.</span><span class="token function">getElementById</span><span class="token punctuation">(</span><span class="token string">&apos;root&apos;</span><span class="token punctuation">)</span>
<span class="token punctuation">)</span>
</code></pre>
<h3 id="-connect-mapstatetoprops-mapdispatchtoprops-mergeprops-options"><code><span class="token function">connect</span><span class="token punctuation">(</span><span class="token punctuation">[</span>mapStateToProps<span class="token punctuation">]</span><span class="token punctuation">,</span> <span class="token punctuation">[</span>mapDispatchToProps<span class="token punctuation">]</span><span class="token punctuation">,</span> <span class="token punctuation">[</span>mergeProps<span class="token punctuation">]</span><span class="token punctuation">,</span> <span class="token punctuation">[</span>options<span class="token punctuation">]</span><span class="token punctuation">)</span></code></h3>
<p>&#x8FDE;&#x63A5; React &#x7EC4;&#x4EF6;&#x4E0E; Redux store&#x3002;</p>
<p>&#x8FDE;&#x63A5;&#x64CD;&#x4F5C;&#x4E0D;&#x4F1A;&#x6539;&#x53D8;&#x539F;&#x6765;&#x7684;&#x7EC4;&#x4EF6;&#x7C7B;&#x3002;<br>&#x53CD;&#x800C;<strong>&#x8FD4;&#x56DE;</strong>&#x4E00;&#x4E2A;&#x65B0;&#x7684;&#x5DF2;&#x4E0E; Redux store &#x8FDE;&#x63A5;&#x7684;&#x7EC4;&#x4EF6;&#x7C7B;&#x3002;</p>
<h4 id="%E5%8F%82%E6%95%B0">&#x53C2;&#x6570;</h4>
<ul>
<li><p>[<code><span class="token function">mapStateToProps</span><span class="token punctuation">(</span>state<span class="token punctuation">,</span> <span class="token punctuation">[</span>ownProps<span class="token punctuation">]</span><span class="token punctuation">)</span><span class="token punctuation">:</span> stateProps</code>] (<em>Function</em>): &#x5982;&#x679C;&#x5B9A;&#x4E49;&#x8BE5;&#x53C2;&#x6570;&#xFF0C;&#x7EC4;&#x4EF6;&#x5C06;&#x4F1A;&#x76D1;&#x542C; Redux store &#x7684;&#x53D8;&#x5316;&#x3002;&#x4EFB;&#x4F55;&#x65F6;&#x5019;&#xFF0C;&#x53EA;&#x8981; Redux store &#x53D1;&#x751F;&#x6539;&#x53D8;&#xFF0C;<code>mapStateToProps</code> &#x51FD;&#x6570;&#x5C31;&#x4F1A;&#x88AB;&#x8C03;&#x7528;&#x3002;&#x8BE5;&#x56DE;&#x8C03;&#x51FD;&#x6570;&#x5FC5;&#x987B;&#x8FD4;&#x56DE;&#x4E00;&#x4E2A;&#x7EAF;&#x5BF9;&#x8C61;&#xFF0C;&#x8FD9;&#x4E2A;&#x5BF9;&#x8C61;&#x4F1A;&#x4E0E;&#x7EC4;&#x4EF6;&#x7684; props &#x5408;&#x5E76;&#x3002;&#x5982;&#x679C;&#x4F60;&#x7701;&#x7565;&#x4E86;&#x8FD9;&#x4E2A;&#x53C2;&#x6570;&#xFF0C;&#x4F60;&#x7684;&#x7EC4;&#x4EF6;&#x5C06;&#x4E0D;&#x4F1A;&#x76D1;&#x542C; Redux store&#x3002;&#x5982;&#x679C;&#x6307;&#x5B9A;&#x4E86;&#x8BE5;&#x56DE;&#x8C03;&#x51FD;&#x6570;&#x4E2D;&#x7684;&#x7B2C;&#x4E8C;&#x4E2A;&#x53C2;&#x6570; <code>ownProps</code>&#xFF0C;&#x5219;&#x8BE5;&#x53C2;&#x6570;&#x7684;&#x503C;&#x4E3A;&#x4F20;&#x9012;&#x5230;&#x7EC4;&#x4EF6;&#x7684; props&#xFF0C;&#x800C;&#x4E14;&#x53EA;&#x8981;&#x7EC4;&#x4EF6;&#x63A5;&#x6536;&#x5230;&#x65B0;&#x7684; props&#xFF0C;<code>mapStateToProps</code> &#x4E5F;&#x4F1A;&#x88AB;&#x8C03;&#x7528;&#xFF08;&#x4F8B;&#x5982;&#xFF0C;&#x5F53; props &#x63A5;&#x6536;&#x5230;&#x6765;&#x81EA;&#x7236;&#x7EC4;&#x4EF6;&#x4E00;&#x4E2A;&#x5C0F;&#x5C0F;&#x7684;&#x6539;&#x52A8;&#xFF0C;&#x90A3;&#x4E48;&#x4F60;&#x6240;&#x4F7F;&#x7528;&#x7684; ownProps &#x53C2;&#x6570;&#xFF0C;mapStateToProps &#x90FD;&#x4F1A;&#x88AB;&#x91CD;&#x65B0;&#x8BA1;&#x7B97;&#xFF09;&#x3002;</p>
<blockquote>
<p>&#x6CE8;&#x610F;&#xFF1A;&#x5728;&#x9AD8;&#x7EA7;&#x7AE0;&#x8282;&#x4E2D;&#xFF0C;&#x4F60;&#x9700;&#x8981;&#x66F4;&#x597D;&#x5730;&#x53BB;&#x63A7;&#x5236;&#x6E32;&#x67D3;&#x7684;&#x6027;&#x80FD;&#xFF0C;&#x6240;&#x7528;&#x5230;&#x7684; <code><span class="token function">mapStateToProps</span><span class="token punctuation">(</span><span class="token punctuation">)</span></code> &#x4F1A;&#x8FD4;&#x56DE;&#x4E00;&#x4E2A;&#x51FD;&#x6570;&#x3002;&#x4F46;&#x5728;&#x8FD9;&#x4E2A;&#x4F8B;&#x5B50;&#x4E2D;&#xFF0C;<strong>&#x8FD9;&#x4E2A;</strong>&#x51FD;&#x6570;&#x5C06;&#x88AB; <code><span class="token function">mapStateToProps</span><span class="token punctuation">(</span><span class="token punctuation">)</span></code> &#x5728;&#x72EC;&#x6709;&#x7684;&#x7EC4;&#x4EF6;&#x5B9E;&#x4F8B;&#x4E2D;&#x8C03;&#x7528;&#x3002;&#x8FD9;&#x6837;&#x5C31;&#x5141;&#x8BB8;&#x4F60;&#x5728;&#x6BCF;&#x4E00;&#x4E2A;&#x5B9E;&#x4F8B;&#x4E2D;&#x53BB;&#x8BB0;&#x5F55;&#x3002;&#x4F60;&#x53EF;&#x4EE5;&#x53C2;&#x8003; <a href="https://github.com/reactjs/react-redux/pull/279" target="_blank">#279</a> &#x53BB;&#x6D4B;&#x8BD5;&#x548C;&#x4E86;&#x89E3;&#x5176;&#x4E2D;&#x7684;&#x8BE6;&#x7EC6;&#x5185;&#x5BB9;&#x3002;&#x4F46;&#x5728;&#x7EDD;&#x5927;&#x591A;&#x6570;&#x7684;&#x5E94;&#x7528;&#x4E2D;&#x4E0D;&#x4F1A;&#x7528;&#x5230;&#x3002;</p>
</blockquote>
</li>
<li><p>[<code><span class="token function">mapDispatchToProps</span><span class="token punctuation">(</span>dispatch<span class="token punctuation">,</span> <span class="token punctuation">[</span>ownProps<span class="token punctuation">]</span><span class="token punctuation">)</span><span class="token punctuation">:</span> dispatchProps</code>] (<em>Object</em> or <em>Function</em>): &#x5982;&#x679C;&#x4F20;&#x9012;&#x7684;&#x662F;&#x4E00;&#x4E2A;&#x5BF9;&#x8C61;&#xFF0C;&#x90A3;&#x4E48;&#x6BCF;&#x4E2A;&#x5B9A;&#x4E49;&#x5728;&#x8BE5;&#x5BF9;&#x8C61;&#x7684;&#x51FD;&#x6570;&#x90FD;&#x5C06;&#x88AB;&#x5F53;&#x4F5C; Redux action creator&#xFF0C;&#x800C;&#x4E14;&#x8FD9;&#x4E2A;&#x5BF9;&#x8C61;&#x4F1A;&#x4E0E; Redux store &#x7ED1;&#x5B9A;&#x5728;&#x4E00;&#x8D77;&#xFF0C;&#x5176;&#x4E2D;&#x6240;&#x5B9A;&#x4E49;&#x7684;&#x65B9;&#x6CD5;&#x540D;&#x5C06;&#x4F5C;&#x4E3A;&#x5C5E;&#x6027;&#x540D;&#xFF0C;&#x5408;&#x5E76;&#x5230;&#x7EC4;&#x4EF6;&#x7684; props &#x4E2D;&#x3002;&#x5982;&#x679C;&#x4F20;&#x9012;&#x7684;&#x662F;&#x4E00;&#x4E2A;&#x51FD;&#x6570;&#xFF0C;&#x8BE5;&#x51FD;&#x6570;&#x5C06;&#x63A5;&#x6536;&#x4E00;&#x4E2A; <code>dispatch</code> &#x51FD;&#x6570;&#xFF0C;&#x7136;&#x540E;&#x7531;&#x4F60;&#x6765;&#x51B3;&#x5B9A;&#x5982;&#x4F55;&#x8FD4;&#x56DE;&#x4E00;&#x4E2A;&#x5BF9;&#x8C61;&#xFF0C;&#x8FD9;&#x4E2A;&#x5BF9;&#x8C61;&#x901A;&#x8FC7; <code>dispatch</code> &#x51FD;&#x6570;&#x4E0E; action creator &#x4EE5;&#x67D0;&#x79CD;&#x65B9;&#x5F0F;&#x7ED1;&#x5B9A;&#x5728;&#x4E00;&#x8D77;&#xFF08;&#x63D0;&#x793A;&#xFF1A;&#x4F60;&#x4E5F;&#x8BB8;&#x4F1A;&#x7528;&#x5230; Redux &#x7684;&#x8F85;&#x52A9;&#x51FD;&#x6570; <a href="http://rackt.github.io/redux/docs/api/bindActionCreators.html" target="_blank"><code><span class="token function">bindActionCreators</span><span class="token punctuation">(</span><span class="token punctuation">)</span></code></a>&#xFF09;&#x3002;&#x5982;&#x679C;&#x4F60;&#x7701;&#x7565;&#x8FD9;&#x4E2A; <code>mapDispatchToProps</code> &#x53C2;&#x6570;&#xFF0C;&#x9ED8;&#x8BA4;&#x60C5;&#x51B5;&#x4E0B;&#xFF0C;<code>dispatch</code> &#x4F1A;&#x6CE8;&#x5165;&#x5230;&#x4F60;&#x7684;&#x7EC4;&#x4EF6; props &#x4E2D;&#x3002;&#x5982;&#x679C;&#x6307;&#x5B9A;&#x4E86;&#x8BE5;&#x56DE;&#x8C03;&#x51FD;&#x6570;&#x4E2D;&#x7B2C;&#x4E8C;&#x4E2A;&#x53C2;&#x6570; <code>ownProps</code>&#xFF0C;&#x8BE5;&#x53C2;&#x6570;&#x7684;&#x503C;&#x4E3A;&#x4F20;&#x9012;&#x5230;&#x7EC4;&#x4EF6;&#x7684; props&#xFF0C;&#x800C;&#x4E14;&#x53EA;&#x8981;&#x7EC4;&#x4EF6;&#x63A5;&#x6536;&#x5230;&#x65B0; props&#xFF0C;<code>mapDispatchToProps</code> &#x4E5F;&#x4F1A;&#x88AB;&#x8C03;&#x7528;&#x3002;</p>
<blockquote>
<p>&#x6CE8;&#x610F;&#xFF1A;&#x5728;&#x9AD8;&#x7EA7;&#x7AE0;&#x8282;&#x4E2D;&#xFF0C;&#x4F60;&#x9700;&#x8981;&#x66F4;&#x597D;&#x5730;&#x53BB;&#x63A7;&#x5236;&#x6E32;&#x67D3;&#x7684;&#x6027;&#x80FD;&#xFF0C;&#x6240;&#x7528;&#x5230;&#x7684; <code><span class="token function">mapStateToProps</span><span class="token punctuation">(</span><span class="token punctuation">)</span></code> &#x4F1A;&#x8FD4;&#x56DE;&#x4E00;&#x4E2A;&#x51FD;&#x6570;&#x3002;&#x4F46;&#x5728;&#x8FD9;&#x4E2A;&#x4F8B;&#x5B50;&#x4E2D;&#xFF0C;<strong>&#x8FD9;&#x4E2A;</strong>&#x51FD;&#x6570;&#x5C06;&#x88AB; <code><span class="token function">mapStateToProps</span><span class="token punctuation">(</span><span class="token punctuation">)</span></code> &#x5728;&#x72EC;&#x6709;&#x7684;&#x7EC4;&#x4EF6;&#x5B9E;&#x4F8B;&#x4E2D;&#x8C03;&#x7528;&#x3002;&#x8FD9;&#x6837;&#x5C31;&#x5141;&#x8BB8;&#x4F60;&#x5728;&#x6BCF;&#x4E00;&#x4E2A;&#x5B9E;&#x4F8B;&#x4E2D;&#x53BB;&#x8BB0;&#x5F55;&#x3002;&#x4F60;&#x53EF;&#x4EE5;&#x53C2;&#x8003; <a href="https://github.com/reactjs/react-redux/pull/279" target="_blank">#279</a> &#x53BB;&#x6D4B;&#x8BD5;&#x548C;&#x4E86;&#x89E3;&#x5176;&#x4E2D;&#x7684;&#x8BE6;&#x7EC6;&#x5185;&#x5BB9;&#x3002;&#x4F46;&#x5728;&#x7EDD;&#x5927;&#x591A;&#x6570;&#x7684;&#x5E94;&#x7528;&#x4E2D;&#x4E0D;&#x4F1A;&#x7528;&#x5230;&#x3002;</p>
</blockquote>
</li>
<li><p>[<code><span class="token function">mergeProps</span><span class="token punctuation">(</span>stateProps<span class="token punctuation">,</span> dispatchProps<span class="token punctuation">,</span> ownProps<span class="token punctuation">)</span><span class="token punctuation">:</span> props</code>] (<em>Function</em>):  &#x5982;&#x679C;&#x6307;&#x5B9A;&#x4E86;&#x8FD9;&#x4E2A;&#x53C2;&#x6570;&#xFF0C;<code><span class="token function">mapStateToProps</span><span class="token punctuation">(</span><span class="token punctuation">)</span></code> &#x4E0E; <code><span class="token function">mapDispatchToProps</span><span class="token punctuation">(</span><span class="token punctuation">)</span></code> &#x7684;&#x6267;&#x884C;&#x7ED3;&#x679C;&#x548C;&#x7EC4;&#x4EF6;&#x81EA;&#x8EAB;&#x7684; <code>props</code> &#x5C06;&#x4F20;&#x5165;&#x5230;&#x8FD9;&#x4E2A;&#x56DE;&#x8C03;&#x51FD;&#x6570;&#x4E2D;&#x3002;&#x8BE5;&#x56DE;&#x8C03;&#x51FD;&#x6570;&#x8FD4;&#x56DE;&#x7684;&#x5BF9;&#x8C61;&#x5C06;&#x4F5C;&#x4E3A; props &#x4F20;&#x9012;&#x5230;&#x88AB;&#x5305;&#x88C5;&#x7684;&#x7EC4;&#x4EF6;&#x4E2D;&#x3002;&#x4F60;&#x4E5F;&#x8BB8;&#x53EF;&#x4EE5;&#x7528;&#x8FD9;&#x4E2A;&#x56DE;&#x8C03;&#x51FD;&#x6570;&#xFF0C;&#x6839;&#x636E;&#x7EC4;&#x4EF6;&#x7684; props &#x6765;&#x7B5B;&#x9009;&#x90E8;&#x5206;&#x7684; state &#x6570;&#x636E;&#xFF0C;&#x6216;&#x8005;&#x628A; props &#x4E2D;&#x7684;&#x67D0;&#x4E2A;&#x7279;&#x5B9A;&#x53D8;&#x91CF;&#x4E0E; action creator &#x7ED1;&#x5B9A;&#x5728;&#x4E00;&#x8D77;&#x3002;&#x5982;&#x679C;&#x4F60;&#x7701;&#x7565;&#x8FD9;&#x4E2A;&#x53C2;&#x6570;&#xFF0C;&#x9ED8;&#x8BA4;&#x60C5;&#x51B5;&#x4E0B;&#x8FD4;&#x56DE; <code>Object<span class="token punctuation">.</span><span class="token function">assign</span><span class="token punctuation">(</span><span class="token punctuation">{</span><span class="token punctuation">}</span><span class="token punctuation">,</span> ownProps<span class="token punctuation">,</span> stateProps<span class="token punctuation">,</span> dispatchProps<span class="token punctuation">)</span></code> &#x7684;&#x7ED3;&#x679C;&#x3002;</p>
</li>
<li><p>[<code>options</code>] <em>(Object)</em> &#x5982;&#x679C;&#x6307;&#x5B9A;&#x8FD9;&#x4E2A;&#x53C2;&#x6570;&#xFF0C;&#x53EF;&#x4EE5;&#x5B9A;&#x5236; connector &#x7684;&#x884C;&#x4E3A;&#x3002;</p>
<ul>
<li>[<code>pure <span class="token operator">=</span> <span class="token keyword">true</span></code>] <em>(Boolean)</em>: &#x5982;&#x679C;&#x4E3A; true&#xFF0C;connector &#x5C06;&#x6267;&#x884C; <code>shouldComponentUpdate</code> &#x5E76;&#x4E14;&#x6D45;&#x5BF9;&#x6BD4; <code>mergeProps</code> &#x7684;&#x7ED3;&#x679C;&#xFF0C;&#x907F;&#x514D;&#x4E0D;&#x5FC5;&#x8981;&#x7684;&#x66F4;&#x65B0;&#xFF0C;&#x524D;&#x63D0;&#x662F;&#x5F53;&#x524D;&#x7EC4;&#x4EF6;&#x662F;&#x4E00;&#x4E2A;&#x201C;&#x7EAF;&#x201D;&#x7EC4;&#x4EF6;&#xFF0C;&#x5B83;&#x4E0D;&#x4F9D;&#x8D56;&#x4E8E;&#x4EFB;&#x4F55;&#x7684;&#x8F93;&#x5165;&#x6216; state &#x800C;&#x53EA;&#x4F9D;&#x8D56;&#x4E8E; props &#x548C; Redux store &#x7684; state&#x3002;<em>&#x9ED8;&#x8BA4;&#x503C;&#x4E3A; <code><span class="token keyword">true</span></code>&#x3002;</em></li>
<li>[<code>withRef <span class="token operator">=</span> <span class="token keyword">false</span></code>] <em>(Boolean)</em>: &#x5982;&#x679C;&#x4E3A; true&#xFF0C;connector &#x4F1A;&#x4FDD;&#x5B58;&#x4E00;&#x4E2A;&#x5BF9;&#x88AB;&#x5305;&#x88C5;&#x7EC4;&#x4EF6;&#x5B9E;&#x4F8B;&#x7684;&#x5F15;&#x7528;&#xFF0C;&#x8BE5;&#x5F15;&#x7528;&#x901A;&#x8FC7; <code><span class="token function">getWrappedInstance</span><span class="token punctuation">(</span><span class="token punctuation">)</span></code> &#x65B9;&#x6CD5;&#x83B7;&#x5F97;&#x3002;<em>&#x9ED8;&#x8BA4;&#x503C;&#x4E3A; <code><span class="token keyword">false</span></code>&#x3002;</em></li>
</ul>
</li>
</ul>
<blockquote>
<p>&#x6CE8;&#x610F;&#xFF1A;&#x5982;&#x679C;&#x5B9A;&#x4E49;&#x4E00;&#x4E2A;&#x5305;&#x542B;&#x5F3A;&#x5236;&#x6027;&#x53C2;&#x6570;&#x51FD;&#x6570;&#xFF08;&#x8FD9;&#x4E2A;&#x51FD;&#x6570;&#x7684;&#x957F;&#x5EA6;&#x4E3A; 1&#xFF09;&#x65F6;&#xFF0C;<code>ownProps</code> <strong>&#x4E0D;&#x4F1A;&#x4F20;&#x5230;</strong> <code>mapStateToProps</code> &#x548C; <code>mapDispatchToProps</code> &#x4E2D;&#x3002;&#x4E3E;&#x4E2A;&#x4F8B;&#x5B50;&#xFF0C;&#x5982;&#x4E0B;&#x8FD9;&#x6837;&#x5B9A;&#x4E49;&#x4E00;&#x4E2A;&#x51FD;&#x6570;&#x65F6;&#x5C06;&#x4E0D;&#x4F1A;&#x63A5;&#x6536;&#x5230; <code>ownProps</code> &#x4F5C;&#x4E3A;&#x7B2C;&#x4E8C;&#x4E2A;&#x53C2;&#x6570;&#x3002;</p>
<pre><code class="lang-javascript"><span class="token keyword">function</span> <span class="token function">mapStateToProps</span><span class="token punctuation">(</span>state<span class="token punctuation">)</span> <span class="token punctuation">{</span>
  console<span class="token punctuation">.</span><span class="token function">log</span><span class="token punctuation">(</span>state<span class="token punctuation">)</span><span class="token punctuation">;</span> <span class="token comment" spellcheck="true">// state</span>
  console<span class="token punctuation">.</span><span class="token function">log</span><span class="token punctuation">(</span>arguments<span class="token punctuation">[</span><span class="token number">1</span><span class="token punctuation">]</span><span class="token punctuation">)</span><span class="token punctuation">;</span> <span class="token comment" spellcheck="true">// undefined</span>
<span class="token punctuation">}</span>
</code></pre>
<pre><code class="lang-javascript"><span class="token keyword">const</span> mapStateToProps <span class="token operator">=</span> <span class="token punctuation">(</span>state<span class="token punctuation">,</span> ownProps <span class="token operator">=</span> <span class="token punctuation">{</span><span class="token punctuation">}</span><span class="token punctuation">)</span> <span class="token operator">=</span><span class="token operator">&gt;</span> <span class="token punctuation">{</span>
  console<span class="token punctuation">.</span><span class="token function">log</span><span class="token punctuation">(</span>state<span class="token punctuation">)</span><span class="token punctuation">;</span> <span class="token comment" spellcheck="true">// state</span>
  console<span class="token punctuation">.</span><span class="token function">log</span><span class="token punctuation">(</span>ownProps<span class="token punctuation">)</span><span class="token punctuation">;</span> <span class="token comment" spellcheck="true">// undefined</span>
<span class="token punctuation">}</span>
</code></pre>
<p>&#x5F53;&#x51FD;&#x6570;&#x6CA1;&#x6709;&#x5F3A;&#x5236;&#x6027;&#x7684;&#x53C2;&#x6570;&#x6216;&#x4E24;&#x4E2A;&#x53C2;&#x6570;&#x65F6;<strong>&#x5C06;&#x63A5;&#x6536;&#x5230;</strong> <code>ownProps</code>&#x3002;</p>
<pre><code class="lang-javascript"><span class="token keyword">const</span> mapStateToProps <span class="token operator">=</span> <span class="token punctuation">(</span>state<span class="token punctuation">,</span> ownProps<span class="token punctuation">)</span> <span class="token operator">=</span><span class="token operator">&gt;</span> <span class="token punctuation">{</span>
  console<span class="token punctuation">.</span><span class="token function">log</span><span class="token punctuation">(</span>state<span class="token punctuation">)</span><span class="token punctuation">;</span> <span class="token comment" spellcheck="true">// state</span>
  console<span class="token punctuation">.</span><span class="token function">log</span><span class="token punctuation">(</span>ownProps<span class="token punctuation">)</span><span class="token punctuation">;</span> <span class="token comment" spellcheck="true">// ownProps</span>
<span class="token punctuation">}</span>
</code></pre>
<pre><code class="lang-javascript"><span class="token keyword">function</span> <span class="token function">mapStateToProps</span><span class="token punctuation">(</span><span class="token punctuation">)</span> <span class="token punctuation">{</span>
  console<span class="token punctuation">.</span><span class="token function">log</span><span class="token punctuation">(</span>arguments<span class="token punctuation">[</span><span class="token number">0</span><span class="token punctuation">]</span><span class="token punctuation">)</span><span class="token punctuation">;</span> <span class="token comment" spellcheck="true">// state</span>
  console<span class="token punctuation">.</span><span class="token function">log</span><span class="token punctuation">(</span>arguments<span class="token punctuation">[</span><span class="token number">1</span><span class="token punctuation">]</span><span class="token punctuation">)</span><span class="token punctuation">;</span> <span class="token comment" spellcheck="true">// ownProps</span>
<span class="token punctuation">}</span>
</code></pre>
<pre><code class="lang-javascript"><span class="token keyword">const</span> mapStateToProps <span class="token operator">=</span> <span class="token punctuation">(</span><span class="token punctuation">.</span><span class="token punctuation">.</span><span class="token punctuation">.</span>args<span class="token punctuation">)</span> <span class="token operator">=</span><span class="token operator">&gt;</span> <span class="token punctuation">{</span>
  console<span class="token punctuation">.</span><span class="token function">log</span><span class="token punctuation">(</span>args<span class="token punctuation">[</span><span class="token number">0</span><span class="token punctuation">]</span><span class="token punctuation">)</span><span class="token punctuation">;</span> <span class="token comment" spellcheck="true">// state</span>
  console<span class="token punctuation">.</span><span class="token function">log</span><span class="token punctuation">(</span>args<span class="token punctuation">[</span><span class="token number">1</span><span class="token punctuation">]</span><span class="token punctuation">)</span><span class="token punctuation">;</span> <span class="token comment" spellcheck="true">// ownProps</span>
<span class="token punctuation">}</span>
</code></pre>
</blockquote>
<h4 id="%E8%BF%94%E5%9B%9E%E5%80%BC">&#x8FD4;&#x56DE;&#x503C;</h4>
<p>&#x6839;&#x636E;&#x914D;&#x7F6E;&#x4FE1;&#x606F;&#xFF0C;&#x8FD4;&#x56DE;&#x4E00;&#x4E2A;&#x6CE8;&#x5165;&#x4E86; state &#x548C; action creator &#x7684; React &#x7EC4;&#x4EF6;&#x3002;</p>
<h5 id="%E9%9D%99%E6%80%81%E5%B1%9E%E6%80%A7">&#x9759;&#x6001;&#x5C5E;&#x6027;</h5>
<ul>
<li><code>WrappedComponent</code> <em>(Component)</em>: &#x4F20;&#x9012;&#x5230; <code><span class="token function">connect</span><span class="token punctuation">(</span><span class="token punctuation">)</span></code> &#x51FD;&#x6570;&#x7684;&#x539F;&#x59CB;&#x7EC4;&#x4EF6;&#x7C7B;&#x3002;</li>
</ul>
<h5 id="%E9%9D%99%E6%80%81%E6%96%B9%E6%B3%95">&#x9759;&#x6001;&#x65B9;&#x6CD5;</h5>
<p>&#x7EC4;&#x4EF6;&#x539F;&#x6765;&#x7684;&#x9759;&#x6001;&#x65B9;&#x6CD5;&#x90FD;&#x88AB;&#x63D0;&#x5347;&#x5230;&#x88AB;&#x5305;&#x88C5;&#x7684; React &#x7EC4;&#x4EF6;&#x3002;</p>
<h5 id="%E5%AE%9E%E4%BE%8B%E6%96%B9%E6%B3%95">&#x5B9E;&#x4F8B;&#x65B9;&#x6CD5;</h5>
<h6 id="-getwrappedinstance-reactcomponent"><code><span class="token function">getWrappedInstance</span><span class="token punctuation">(</span><span class="token punctuation">)</span><span class="token punctuation">:</span> ReactComponent</code></h6>
<p>&#x4EC5;&#x5F53; <code><span class="token function">connect</span><span class="token punctuation">(</span><span class="token punctuation">)</span></code> &#x51FD;&#x6570;&#x7684;&#x7B2C;&#x56DB;&#x4E2A;&#x53C2;&#x6570; <code>options</code> &#x8BBE;&#x7F6E;&#x4E86; <code><span class="token punctuation">{</span> withRef<span class="token punctuation">:</span> <span class="token keyword">true</span> <span class="token punctuation">}</span></code> &#x624D;&#x8FD4;&#x56DE;&#x88AB;&#x5305;&#x88C5;&#x7684;&#x7EC4;&#x4EF6;&#x5B9E;&#x4F8B;&#x3002;</p>
<h4 id="%E5%A4%87%E6%B3%A8">&#x5907;&#x6CE8;</h4>
<ul>
<li><p>&#x51FD;&#x6570;&#x5C06;&#x88AB;&#x8C03;&#x7528;&#x4E24;&#x6B21;&#x3002;&#x7B2C;&#x4E00;&#x6B21;&#x662F;&#x8BBE;&#x7F6E;&#x53C2;&#x6570;&#xFF0C;&#x7B2C;&#x4E8C;&#x6B21;&#x662F;&#x7EC4;&#x4EF6;&#x4E0E; Redux store &#x8FDE;&#x63A5;&#xFF1A;<code><span class="token function">connect</span><span class="token punctuation">(</span>mapStateToProps<span class="token punctuation">,</span> mapDispatchToProps<span class="token punctuation">,</span> mergeProps<span class="token punctuation">)</span><span class="token punctuation">(</span>MyComponent<span class="token punctuation">)</span></code>&#x3002;</p>
</li>
<li><p>connect &#x51FD;&#x6570;&#x4E0D;&#x4F1A;&#x4FEE;&#x6539;&#x4F20;&#x5165;&#x7684; React &#x7EC4;&#x4EF6;&#xFF0C;&#x8FD4;&#x56DE;&#x7684;&#x662F;&#x4E00;&#x4E2A;&#x65B0;&#x7684;&#x5DF2;&#x4E0E; Redux store &#x8FDE;&#x63A5;&#x7684;&#x7EC4;&#x4EF6;&#xFF0C;&#x800C;&#x4E14;&#x4F60;&#x5E94;&#x8BE5;&#x4F7F;&#x7528;&#x8FD9;&#x4E2A;&#x65B0;&#x7EC4;&#x4EF6;&#x3002;</p>
</li>
<li><p><code>mapStateToProps</code> &#x51FD;&#x6570;&#x63A5;&#x6536;&#x6574;&#x4E2A; Redux store &#x7684; state &#x4F5C;&#x4E3A; props&#xFF0C;&#x7136;&#x540E;&#x8FD4;&#x56DE;&#x4E00;&#x4E2A;&#x4F20;&#x5165;&#x5230;&#x7EC4;&#x4EF6; props &#x7684;&#x5BF9;&#x8C61;&#x3002;&#x8BE5;&#x51FD;&#x6570;&#x88AB;&#x79F0;&#x4E4B;&#x4E3A; <strong>selector</strong>&#x3002;&#x53C2;&#x8003;&#x4F7F;&#x7528; <a href="https://github.com/reactjs/reselect" target="_blank">reselect</a> &#x9AD8;&#x6548;&#x5730;&#x7EC4;&#x5408;&#x591A;&#x4E2A; <strong>selector</strong> &#xFF0C;&#x5E76;&#x5BF9; <a href="http://redux.js.org/docs/recipes/ComputingDerivedData.html" target="_blank">&#x6536;&#x96C6;&#x5230;&#x7684;&#x6570;&#x636E;&#x8FDB;&#x884C;&#x5904;&#x7406;</a>&#x3002;</p>
</li>
</ul>
<h4 id="examples-%E4%BE%8B%E5%AD%90">Examples &#x4F8B;&#x5B50;</h4>
<h5 id="%E5%8F%AA%E6%B3%A8%E5%85%A5-dispatch-%EF%BC%8C%E4%B8%8D%E7%9B%91%E5%90%AC-store">&#x53EA;&#x6CE8;&#x5165; <code>dispatch</code>&#xFF0C;&#x4E0D;&#x76D1;&#x542C; store</h5>
<pre><code class="lang-js"><span class="token keyword">export</span> <span class="token keyword">default</span> <span class="token function">connect</span><span class="token punctuation">(</span><span class="token punctuation">)</span><span class="token punctuation">(</span>TodoApp<span class="token punctuation">)</span>
</code></pre>
<h5 id="%E6%B3%A8%E5%85%A5%E5%85%A8%E9%83%A8%E6%B2%A1%E6%9C%89%E8%AE%A2%E9%98%85-store-%E7%9A%84-action-creators-addtodo-completetodo">&#x6CE8;&#x5165;&#x5168;&#x90E8;&#x6CA1;&#x6709;&#x8BA2;&#x9605; store &#x7684; action creators  (<code>addTodo</code>, <code>completeTodo</code>, ...)</h5>
<pre><code class="lang-js"><span class="token keyword">import</span> <span class="token operator">*</span> as actionCreators from <span class="token string">&apos;./actionCreators&apos;</span>

<span class="token keyword">export</span> <span class="token keyword">default</span> <span class="token function">connect</span><span class="token punctuation">(</span><span class="token keyword">null</span><span class="token punctuation">,</span> actionCreators<span class="token punctuation">)</span><span class="token punctuation">(</span>TodoApp<span class="token punctuation">)</span>
</code></pre>
<h5 id="%E6%B3%A8%E5%85%A5-dispatch-%E5%92%8C%E5%85%A8%E5%B1%80-state">&#x6CE8;&#x5165; <code>dispatch</code> &#x548C;&#x5168;&#x5C40; state</h5>
<blockquote>
<p>&#x4E0D;&#x8981;&#x8FD9;&#x6837;&#x505A;&#xFF01;&#x8FD9;&#x4F1A;&#x5BFC;&#x81F4;&#x6BCF;&#x6B21; action &#x90FD;&#x89E6;&#x53D1;&#x6574;&#x4E2A; <code>TodoApp</code> &#x91CD;&#x65B0;&#x6E32;&#x67D3;&#xFF0C;&#x4F60;&#x505A;&#x7684;&#x6240;&#x6709;&#x6027;&#x80FD;&#x4F18;&#x5316;&#x90FD;&#x5C06;&#x4ED8;&#x4E4B;&#x4E1C;&#x6D41;&#x3002;</p>
<p>&#x6700;&#x597D;&#x5728;&#x591A;&#x4E2A;&#x7EC4;&#x4EF6;&#x4E0A;&#x4F7F;&#x7528; <code><span class="token function">connect</span><span class="token punctuation">(</span><span class="token punctuation">)</span></code>&#xFF0C;&#x6BCF;&#x4E2A;&#x7EC4;&#x4EF6;&#x53EA;&#x76D1;&#x542C;&#x5B83;&#x6240;&#x5173;&#x8054;&#x7684;&#x90E8;&#x5206; state&#x3002;</p>
</blockquote>
<pre><code class="lang-js"><span class="token keyword">export</span> <span class="token keyword">default</span> <span class="token function">connect</span><span class="token punctuation">(</span>state <span class="token operator">=</span><span class="token operator">&gt;</span> state<span class="token punctuation">)</span><span class="token punctuation">(</span>TodoApp<span class="token punctuation">)</span>
</code></pre>
<h5 id="%E6%B3%A8%E5%85%A5-dispatch-%E5%92%8C-todos">&#x6CE8;&#x5165; <code>dispatch</code> &#x548C; <code>todos</code></h5>
<pre><code class="lang-js"><span class="token keyword">function</span> <span class="token function">mapStateToProps</span><span class="token punctuation">(</span>state<span class="token punctuation">)</span> <span class="token punctuation">{</span>
  <span class="token keyword">return</span> <span class="token punctuation">{</span> todos<span class="token punctuation">:</span> state<span class="token punctuation">.</span>todos <span class="token punctuation">}</span>
<span class="token punctuation">}</span>

<span class="token keyword">export</span> <span class="token keyword">default</span> <span class="token function">connect</span><span class="token punctuation">(</span>mapStateToProps<span class="token punctuation">)</span><span class="token punctuation">(</span>TodoApp<span class="token punctuation">)</span>
</code></pre>
<h5 id="%E6%B3%A8%E5%85%A5-todos-%E5%92%8C%E6%89%80%E6%9C%89-action-creator">&#x6CE8;&#x5165; <code>todos</code> &#x548C;&#x6240;&#x6709; action creator</h5>
<pre><code class="lang-js"><span class="token keyword">import</span> <span class="token operator">*</span> as actionCreators from <span class="token string">&apos;./actionCreators&apos;</span>

<span class="token keyword">function</span> <span class="token function">mapStateToProps</span><span class="token punctuation">(</span>state<span class="token punctuation">)</span> <span class="token punctuation">{</span>
  <span class="token keyword">return</span> <span class="token punctuation">{</span> todos<span class="token punctuation">:</span> state<span class="token punctuation">.</span>todos <span class="token punctuation">}</span>
<span class="token punctuation">}</span>

<span class="token keyword">export</span> <span class="token keyword">default</span> <span class="token function">connect</span><span class="token punctuation">(</span>mapStateToProps<span class="token punctuation">,</span> actionCreators<span class="token punctuation">)</span><span class="token punctuation">(</span>TodoApp<span class="token punctuation">)</span>
</code></pre>
<h5 id="%E6%B3%A8%E5%85%A5-todos-%E5%B9%B6%E6%8A%8A%E6%89%80%E6%9C%89-action-creator-addtodo-completetodo-%E4%BD%9C%E4%B8%BA-actions-%E5%B1%9E%E6%80%A7%E4%B9%9F%E6%B3%A8%E5%85%A5%E7%BB%84%E4%BB%B6%E4%B8%AD">&#x6CE8;&#x5165; <code>todos</code> &#x5E76;&#x628A;&#x6240;&#x6709; action creator (<code>addTodo</code>, <code>completeTodo</code>, ...) &#x4F5C;&#x4E3A; <code>actions</code> &#x5C5E;&#x6027;&#x4E5F;&#x6CE8;&#x5165;&#x7EC4;&#x4EF6;&#x4E2D;</h5>
<pre><code class="lang-js"><span class="token keyword">import</span> <span class="token operator">*</span> as actionCreators from <span class="token string">&apos;./actionCreators&apos;</span>
<span class="token keyword">import</span> <span class="token punctuation">{</span> bindActionCreators <span class="token punctuation">}</span> from <span class="token string">&apos;redux&apos;</span>

<span class="token keyword">function</span> <span class="token function">mapStateToProps</span><span class="token punctuation">(</span>state<span class="token punctuation">)</span> <span class="token punctuation">{</span>
  <span class="token keyword">return</span> <span class="token punctuation">{</span> todos<span class="token punctuation">:</span> state<span class="token punctuation">.</span>todos <span class="token punctuation">}</span>
<span class="token punctuation">}</span>

<span class="token keyword">function</span> <span class="token function">mapDispatchToProps</span><span class="token punctuation">(</span>dispatch<span class="token punctuation">)</span> <span class="token punctuation">{</span>
  <span class="token keyword">return</span> <span class="token punctuation">{</span> actions<span class="token punctuation">:</span> <span class="token function">bindActionCreators</span><span class="token punctuation">(</span>actionCreators<span class="token punctuation">,</span> dispatch<span class="token punctuation">)</span> <span class="token punctuation">}</span>
<span class="token punctuation">}</span>

<span class="token keyword">export</span> <span class="token keyword">default</span> <span class="token function">connect</span><span class="token punctuation">(</span>mapStateToProps<span class="token punctuation">,</span> mapDispatchToProps<span class="token punctuation">)</span><span class="token punctuation">(</span>TodoApp<span class="token punctuation">)</span>
</code></pre>
<h5 id="%E6%B3%A8%E5%85%A5-todos-%E5%92%8C%E6%8C%87%E5%AE%9A%E7%9A%84-action-creator-addtodo">&#x6CE8;&#x5165; <code>todos</code> &#x548C;&#x6307;&#x5B9A;&#x7684; action creator (<code>addTodo</code>)</h5>
<pre><code class="lang-js"><span class="token keyword">import</span> <span class="token punctuation">{</span> addTodo <span class="token punctuation">}</span> from <span class="token string">&apos;./actionCreators&apos;</span>
<span class="token keyword">import</span> <span class="token punctuation">{</span> bindActionCreators <span class="token punctuation">}</span> from <span class="token string">&apos;redux&apos;</span>

<span class="token keyword">function</span> <span class="token function">mapStateToProps</span><span class="token punctuation">(</span>state<span class="token punctuation">)</span> <span class="token punctuation">{</span>
  <span class="token keyword">return</span> <span class="token punctuation">{</span> todos<span class="token punctuation">:</span> state<span class="token punctuation">.</span>todos <span class="token punctuation">}</span>
<span class="token punctuation">}</span>

<span class="token keyword">function</span> <span class="token function">mapDispatchToProps</span><span class="token punctuation">(</span>dispatch<span class="token punctuation">)</span> <span class="token punctuation">{</span>
  <span class="token keyword">return</span> <span class="token function">bindActionCreators</span><span class="token punctuation">(</span><span class="token punctuation">{</span> addTodo <span class="token punctuation">}</span><span class="token punctuation">,</span> dispatch<span class="token punctuation">)</span>
<span class="token punctuation">}</span>

<span class="token keyword">export</span> <span class="token keyword">default</span> <span class="token function">connect</span><span class="token punctuation">(</span>mapStateToProps<span class="token punctuation">,</span> mapDispatchToProps<span class="token punctuation">)</span><span class="token punctuation">(</span>TodoApp<span class="token punctuation">)</span>
</code></pre>
<h5 id="%E6%B3%A8%E5%85%A5-todos-%E5%B9%B6%E6%8A%8A-todoactioncreators-%E4%BD%9C%E4%B8%BA-todoactions-%E5%B1%9E%E6%80%A7%E3%80%81counteractioncreators-%E4%BD%9C%E4%B8%BA-counteractions-%E5%B1%9E%E6%80%A7%E6%B3%A8%E5%85%A5%E5%88%B0%E7%BB%84%E4%BB%B6%E4%B8%AD">&#x6CE8;&#x5165; <code>todos</code> &#x5E76;&#x628A; todoActionCreators &#x4F5C;&#x4E3A; <code>todoActions</code> &#x5C5E;&#x6027;&#x3001;counterActionCreators &#x4F5C;&#x4E3A; <code>counterActions</code> &#x5C5E;&#x6027;&#x6CE8;&#x5165;&#x5230;&#x7EC4;&#x4EF6;&#x4E2D;</h5>
<pre><code class="lang-js"><span class="token keyword">import</span> <span class="token operator">*</span> as todoActionCreators from <span class="token string">&apos;./todoActionCreators&apos;</span>
<span class="token keyword">import</span> <span class="token operator">*</span> as counterActionCreators from <span class="token string">&apos;./counterActionCreators&apos;</span>
<span class="token keyword">import</span> <span class="token punctuation">{</span> bindActionCreators <span class="token punctuation">}</span> from <span class="token string">&apos;redux&apos;</span>

<span class="token keyword">function</span> <span class="token function">mapStateToProps</span><span class="token punctuation">(</span>state<span class="token punctuation">)</span> <span class="token punctuation">{</span>
  <span class="token keyword">return</span> <span class="token punctuation">{</span> todos<span class="token punctuation">:</span> state<span class="token punctuation">.</span>todos <span class="token punctuation">}</span>
<span class="token punctuation">}</span>

<span class="token keyword">function</span> <span class="token function">mapDispatchToProps</span><span class="token punctuation">(</span>dispatch<span class="token punctuation">)</span> <span class="token punctuation">{</span>
  <span class="token keyword">return</span> <span class="token punctuation">{</span>
    todoActions<span class="token punctuation">:</span> <span class="token function">bindActionCreators</span><span class="token punctuation">(</span>todoActionCreators<span class="token punctuation">,</span> dispatch<span class="token punctuation">)</span><span class="token punctuation">,</span>
    counterActions<span class="token punctuation">:</span> <span class="token function">bindActionCreators</span><span class="token punctuation">(</span>counterActionCreators<span class="token punctuation">,</span> dispatch<span class="token punctuation">)</span>
  <span class="token punctuation">}</span>
<span class="token punctuation">}</span>

<span class="token keyword">export</span> <span class="token keyword">default</span> <span class="token function">connect</span><span class="token punctuation">(</span>mapStateToProps<span class="token punctuation">,</span> mapDispatchToProps<span class="token punctuation">)</span><span class="token punctuation">(</span>TodoApp<span class="token punctuation">)</span>
</code></pre>
<h5 id="%E6%B3%A8%E5%85%A5-todos-%E5%B9%B6%E6%8A%8A-todoactioncreators-%E4%B8%8E-counteractioncreators-%E4%B8%80%E5%90%8C%E4%BD%9C%E4%B8%BA-actions-%E5%B1%9E%E6%80%A7%E6%B3%A8%E5%85%A5%E5%88%B0%E7%BB%84%E4%BB%B6%E4%B8%AD">&#x6CE8;&#x5165; <code>todos</code> &#x5E76;&#x628A; todoActionCreators &#x4E0E; counterActionCreators &#x4E00;&#x540C;&#x4F5C;&#x4E3A; <code>actions</code> &#x5C5E;&#x6027;&#x6CE8;&#x5165;&#x5230;&#x7EC4;&#x4EF6;&#x4E2D;</h5>
<pre><code class="lang-js"><span class="token keyword">import</span> <span class="token operator">*</span> as todoActionCreators from <span class="token string">&apos;./todoActionCreators&apos;</span>
<span class="token keyword">import</span> <span class="token operator">*</span> as counterActionCreators from <span class="token string">&apos;./counterActionCreators&apos;</span>
<span class="token keyword">import</span> <span class="token punctuation">{</span> bindActionCreators <span class="token punctuation">}</span> from <span class="token string">&apos;redux&apos;</span>

<span class="token keyword">function</span> <span class="token function">mapStateToProps</span><span class="token punctuation">(</span>state<span class="token punctuation">)</span> <span class="token punctuation">{</span>
  <span class="token keyword">return</span> <span class="token punctuation">{</span> todos<span class="token punctuation">:</span> state<span class="token punctuation">.</span>todos <span class="token punctuation">}</span>
<span class="token punctuation">}</span>

<span class="token keyword">function</span> <span class="token function">mapDispatchToProps</span><span class="token punctuation">(</span>dispatch<span class="token punctuation">)</span> <span class="token punctuation">{</span>
  <span class="token keyword">return</span> <span class="token punctuation">{</span>
    actions<span class="token punctuation">:</span> <span class="token function">bindActionCreators</span><span class="token punctuation">(</span>Object<span class="token punctuation">.</span><span class="token function">assign</span><span class="token punctuation">(</span><span class="token punctuation">{</span><span class="token punctuation">}</span><span class="token punctuation">,</span> todoActionCreators<span class="token punctuation">,</span> counterActionCreators<span class="token punctuation">)</span><span class="token punctuation">,</span> dispatch<span class="token punctuation">)</span>
  <span class="token punctuation">}</span>
<span class="token punctuation">}</span>

<span class="token keyword">export</span> <span class="token keyword">default</span> <span class="token function">connect</span><span class="token punctuation">(</span>mapStateToProps<span class="token punctuation">,</span> mapDispatchToProps<span class="token punctuation">)</span><span class="token punctuation">(</span>TodoApp<span class="token punctuation">)</span>
</code></pre>
<h5 id="%E6%B3%A8%E5%85%A5-todos-%E5%B9%B6%E6%8A%8A%E6%89%80%E6%9C%89%E7%9A%84-todoactioncreators-%E5%92%8C-counteractioncreators-%E4%BD%9C%E4%B8%BA-props-%E6%B3%A8%E5%85%A5%E5%88%B0%E7%BB%84%E4%BB%B6%E4%B8%AD">&#x6CE8;&#x5165; <code>todos</code> &#x5E76;&#x628A;&#x6240;&#x6709;&#x7684; todoActionCreators &#x548C; counterActionCreators &#x4F5C;&#x4E3A; props &#x6CE8;&#x5165;&#x5230;&#x7EC4;&#x4EF6;&#x4E2D;</h5>
<pre><code class="lang-js"><span class="token keyword">import</span> <span class="token operator">*</span> as todoActionCreators from <span class="token string">&apos;./todoActionCreators&apos;</span>
<span class="token keyword">import</span> <span class="token operator">*</span> as counterActionCreators from <span class="token string">&apos;./counterActionCreators&apos;</span>
<span class="token keyword">import</span> <span class="token punctuation">{</span> bindActionCreators <span class="token punctuation">}</span> from <span class="token string">&apos;redux&apos;</span>

<span class="token keyword">function</span> <span class="token function">mapStateToProps</span><span class="token punctuation">(</span>state<span class="token punctuation">)</span> <span class="token punctuation">{</span>
  <span class="token keyword">return</span> <span class="token punctuation">{</span> todos<span class="token punctuation">:</span> state<span class="token punctuation">.</span>todos <span class="token punctuation">}</span>
<span class="token punctuation">}</span>

<span class="token keyword">function</span> <span class="token function">mapDispatchToProps</span><span class="token punctuation">(</span>dispatch<span class="token punctuation">)</span> <span class="token punctuation">{</span>
  <span class="token keyword">return</span> <span class="token function">bindActionCreators</span><span class="token punctuation">(</span>Object<span class="token punctuation">.</span><span class="token function">assign</span><span class="token punctuation">(</span><span class="token punctuation">{</span><span class="token punctuation">}</span><span class="token punctuation">,</span> todoActionCreators<span class="token punctuation">,</span> counterActionCreators<span class="token punctuation">)</span><span class="token punctuation">,</span> dispatch<span class="token punctuation">)</span>
<span class="token punctuation">}</span>

<span class="token keyword">export</span> <span class="token keyword">default</span> <span class="token function">connect</span><span class="token punctuation">(</span>mapStateToProps<span class="token punctuation">,</span> mapDispatchToProps<span class="token punctuation">)</span><span class="token punctuation">(</span>TodoApp<span class="token punctuation">)</span>
</code></pre>
<h5 id="%E6%A0%B9%E6%8D%AE%E7%BB%84%E4%BB%B6%E7%9A%84-props-%E6%B3%A8%E5%85%A5%E7%89%B9%E5%AE%9A%E7%94%A8%E6%88%B7%E7%9A%84-todos">&#x6839;&#x636E;&#x7EC4;&#x4EF6;&#x7684; props &#x6CE8;&#x5165;&#x7279;&#x5B9A;&#x7528;&#x6237;&#x7684; <code>todos</code></h5>
<pre><code class="lang-js"><span class="token keyword">import</span> <span class="token operator">*</span> as actionCreators from <span class="token string">&apos;./actionCreators&apos;</span>

<span class="token keyword">function</span> <span class="token function">mapStateToProps</span><span class="token punctuation">(</span>state<span class="token punctuation">,</span> ownProps<span class="token punctuation">)</span> <span class="token punctuation">{</span>
  <span class="token keyword">return</span> <span class="token punctuation">{</span> todos<span class="token punctuation">:</span> state<span class="token punctuation">.</span>todos<span class="token punctuation">[</span>ownProps<span class="token punctuation">.</span>userId<span class="token punctuation">]</span> <span class="token punctuation">}</span>
<span class="token punctuation">}</span>

<span class="token keyword">export</span> <span class="token keyword">default</span> <span class="token function">connect</span><span class="token punctuation">(</span>mapStateToProps<span class="token punctuation">)</span><span class="token punctuation">(</span>TodoApp<span class="token punctuation">)</span>
</code></pre>
<h5 id="%E6%A0%B9%E6%8D%AE%E7%BB%84%E4%BB%B6%E7%9A%84-props-%E6%B3%A8%E5%85%A5%E7%89%B9%E5%AE%9A%E7%94%A8%E6%88%B7%E7%9A%84-todos-%E5%B9%B6%E6%8A%8A-props-userid-%E4%BC%A0%E5%85%A5%E5%88%B0-action-%E4%B8%AD">&#x6839;&#x636E;&#x7EC4;&#x4EF6;&#x7684; props &#x6CE8;&#x5165;&#x7279;&#x5B9A;&#x7528;&#x6237;&#x7684; <code>todos</code> &#x5E76;&#x628A; <code>props<span class="token punctuation">.</span>userId</code> &#x4F20;&#x5165;&#x5230; action &#x4E2D;</h5>
<pre><code class="lang-js"><span class="token keyword">import</span> <span class="token operator">*</span> as actionCreators from <span class="token string">&apos;./actionCreators&apos;</span>

<span class="token keyword">function</span> <span class="token function">mapStateToProps</span><span class="token punctuation">(</span>state<span class="token punctuation">)</span> <span class="token punctuation">{</span>
  <span class="token keyword">return</span> <span class="token punctuation">{</span> todos<span class="token punctuation">:</span> state<span class="token punctuation">.</span>todos <span class="token punctuation">}</span>
<span class="token punctuation">}</span>

<span class="token keyword">function</span> <span class="token function">mergeProps</span><span class="token punctuation">(</span>stateProps<span class="token punctuation">,</span> dispatchProps<span class="token punctuation">,</span> ownProps<span class="token punctuation">)</span> <span class="token punctuation">{</span>
  <span class="token keyword">return</span> Object<span class="token punctuation">.</span><span class="token function">assign</span><span class="token punctuation">(</span><span class="token punctuation">{</span><span class="token punctuation">}</span><span class="token punctuation">,</span> ownProps<span class="token punctuation">,</span> <span class="token punctuation">{</span>
    todos<span class="token punctuation">:</span> stateProps<span class="token punctuation">.</span>todos<span class="token punctuation">[</span>ownProps<span class="token punctuation">.</span>userId<span class="token punctuation">]</span><span class="token punctuation">,</span>
    addTodo<span class="token punctuation">:</span> <span class="token punctuation">(</span>text<span class="token punctuation">)</span> <span class="token operator">=</span><span class="token operator">&gt;</span> dispatchProps<span class="token punctuation">.</span><span class="token function">addTodo</span><span class="token punctuation">(</span>ownProps<span class="token punctuation">.</span>userId<span class="token punctuation">,</span> text<span class="token punctuation">)</span>
  <span class="token punctuation">}</span><span class="token punctuation">)</span>
<span class="token punctuation">}</span>

<span class="token keyword">export</span> <span class="token keyword">default</span> <span class="token function">connect</span><span class="token punctuation">(</span>mapStateToProps<span class="token punctuation">,</span> actionCreators<span class="token punctuation">,</span> mergeProps<span class="token punctuation">)</span><span class="token punctuation">(</span>TodoApp<span class="token punctuation">)</span>
</code></pre>

                    
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